Wastewater treatment apparatus
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United States of America Patent
Stats
-
Dec 24, 1996
Grant Date -
N/A
app pub date -
Jun 21, 1995
filing date -
Jun 21, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Headworks for preliminary treatment of wastewater in a sewage treatment plant provides for primary filtration of grit and other coarse debris, de-ragging in a flume which carries the water away from the filter, chemical addition in a chemical mixing tank and scum removal in a scum removal tank provided with a scum skimmer. The scum removal tank may also be provided with means for pre-aerating the wastewater, secondary grit removal means, secondary de-ragging means and a partial flume for flow measurement. A debris collection device in the form of a flexible fabric sock is also disclosed.
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Cited Art Landscape
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